Requires a VMP blower or machining-down of your Roush nose drive to VMP specs.
The "Snout" of the Roush supercharger must be machined down to 2.120" - 2.130", the snout is the bare aluminum portion underneath the ribbed part of the pulley.
You must also use a silver SS VMP 6-bolt hub or turn your black Roush hub down to a smaller diameter.
8-rib conversion kit required to prevent belt slip
Steel painted black.
Vehicle Application(s)
This product fits the following models and years
Model
Year(s)
Mustang GT 5.0L
2011 2012 2013 2014
Boss 302
2012 2013
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